SKU: 20-9217 Fits: 2007-2010 Honda Civic Si K20 Sedan 4Dr Product Type: HFP style oval muffler into complete 70mm catback system JDM 70mm tubing tuned to bring out the full potential of the Civic Si K20 engine Features 2.75in diameter piping with a 114mm / 4.5in diameter exhaust SP2 tip Double Perforated core straight-through muffler design for smooth, unrestricted performance Produces a deep, aggressive exhaust note unlike rice rocket Improves horsepower, torque, throttle response, and fuel mileage Manufactured from T304 / SUS304 stainless steel for durability and high corrosion resistance CNC machine mandrel-bent stainless steel tubing for maximum exhaust flow CNC cut flanges and fully TIG welded construction Significant weight reduction compared to OEM exhaust system Includes all necessary hardware (bolts and gaskets) for installation Utilizes the factory exhaust hangars

• Manufactured from T304 / SUS304 stainless steel for durability and high corrosion resistance
• CNC machine mandrel-bent stainless steel tubing for maximum exhaust flow
• Significant weight reduction compared to OEM exhaust system
• Improves horsepower, torque, throttle response, and fuel mileage
• Includes all necessary hardware (bolts and gaskets) for Bolt-on installation with typical hand tools

Manufactured from T304 / SUS304 stainless steel for durability and high corrosion resistanceTsudo